Kenwood KDV-C810, Руководство по обслуживанию

Страница: 6 / 36

6
KDV-C810/C820/C830
/C840/C860
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No. Pin Name I/O Purpose / Description Processing Operation
69 /SRVDPINT I CD/DVD Servo / data processor request signal input terminal Request signal input from 45PIN of IC201
70 TXD O Serial data transformer terminal (for debugging) Not used for after service
71 RXD I Serial data receive terminal (for debugging) Not used for after service
73 ENCODER I Encoder pulse input terminal Feed sensor pulse input terminal (PHT2)
74 /PWRDWN1 O Analog 5V Power down control output terminal Control of the power down of IC 104 (Active H)
75 /PWRDWN2 O Digital 5V Power down control output terminal Control of the power down of IC 104 (Active H)
76 STBY O BTL driver muting output terminal Control of the driver of IC 102 (Active H)
79 RFMVON O Laser high frequency superposition circuit control output terminal Control of the driver-on Q152
4,5,6,8,
11,29,39,
42,46,54, NC - (N.C) open
66,72,77,
78,80
35,36 NC - (N.C) connected to +5V
IC301(MAIN UNIT : MECHANISM CONTROL)
Pin No. Pin Name I/O Description Processing Operation
STOP LOAD UNLOAD BRAKE
1 LOAD+ O Loading motor (+) output terminal LOAD+ L H L H
2 LOAD- O Loading motor (-) output terminal LOAD- L H H H
LOAD : DISC CLAMP, UNLOAD : Magazine pack return
STOP LOAD UNLOAD BRAKE
3 ELV+ O Elevator motor (+) output terminal ELV+ L H L H
4 ELV- O Elevator motor (-) output terminal ELV- L L H H
UP : DISC10
→
1, DOWN : DISC1
→
10
5 POWER O Power supply ON output terminal for mechanisms Control of Q302 (Active H)
6 MPEG+B O MPEG 2 power supply ON output terminal Control of the power supply Q071 (Active H)
7 CD+B O DVD changer mode output terminal Control of the power supply IC 061 (Active H)
8 SCL O Clock output terminal for EEPROM IC302 (6PIN) EEPROM Clock output
9 VSS0 - GND Connected to GND
10 VDD0 - Power supply input terminal Connected to +5V
11 SDA O Data output terminal for EEPROM IC302 (5PIN) EEPROM Data output
15 DATAH I DATAH Kenwood bus
16 DATAC O DATAC Kenwood bus
17 HCLK I/O HCLK Kenwood bus
18 MPDAI I Data input terminal from DVD processor Data input terminal from 162PIN of IC501
19 MPDAO O Data output terminal for DVD processor Data output terminal for 168PIN of IC501
20 MPCLK O Clock output terminal for DVD processor Clock output terminal for 169PIN of IC501
23 MPREQ O Request output terminal for DVD processor Request output terminal for 166PIN of IC501
24 VDD1 - Power supply input terminal Connected to +5V
www. xiaoyu163. com
QQ 376315150
9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299